#4094EB
Closest named color: Chefchaouen Blue (#4895EF). oklch(65.6% 0.153 252), rgb(64, 148, 235).
Aa
Black text reads best on this color (6.65:1).
About this color
#4094EB is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.153 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.009 away. Black text reads best on it, at 6.65:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.65:1 |
| White text | 3.15:1 |
Values
| HEX | #4094EB |
| RGB | rgb(64, 148, 235) |
| HSL | hsl(211, 81%, 59%) |
| OKLCH | oklch(65.6% 0.153 252) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4094EB | 3.15:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #4094EB | 6.65:1 | AA | Lc 45.8 | Large or bold text, headings |
| #4094EB text on white | 3.15:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #4094EB text on black | 6.65:1 | AA | Lc -43.4 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF5
oklch(88.6% 0.042 251.7)
-
Step 300
300
#9EC4F0
oklch(80.8% 0.075 252.4)
-
Step 400
400
#66A5E9
oklch(70.8% 0.12 251.5)
-
Step 500
500 (this color)
#4094EB
oklch(65.6% 0.153 252)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#004F92
oklch(42.6% 0.129 252.3)
-
Step 900
900
#0F4374
oklch(37.8% 0.099 251.4)
-
Step 950
950
#0C2744
oklch(26.9% 0.063 252.6)
#4094EB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6C9AEF | 0.046 |
| Deuteranopia (no green cones) | #528AE9 | 0.028 |
| Tritanopia (no blue cones) | #00A9B4 | 0.117 |
| Achromatopsia (no color) | #919191 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4094EB
#4094EB
oklch(65.6% 0.153 252)
- #C58000
#C58000
oklch(65.6% 0.141 71.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4094EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.009
- Dark Sky Blue #448EE4 ΔE 0.017
- Cornflower Blue #6495ED ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.037
- Soft Blue #6488EA ΔE 0.041
- Water Blue #0E87CC ΔE 0.064
- Faded Blue #658CBB ΔE 0.074
- Cornflower #6A79F7 ΔE 0.079
Use #4094EB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.